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3 Ways to Bucket Data in SQL During ETL

Hevo

ETL processes often involve aggregating data from various sources into a data warehouse or data lake. Bucketing can be used during the transformation phase to aggregate data into predefined buckets or intervals. It plays a […]

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How Rockset Enables SQL-Based Rollups for Streaming Data

Rockset

A Quick Primer on Indexing in Rockset Rockset allows users to connect real-time data sources — data streams (Kafka, Kinesis), OLTP databases (DynamoDB, MongoDB, MySQL, PostgreSQL) and also data lakes (S3, GCS) — using built-in connectors. You can also optionally use WHERE clauses to filter out data.

SQL 52
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Deployment of Exabyte-Backed Big Data Components

LinkedIn Engineering

The version drift framework consolidates data from various sources, as shown in Figure 6, to create a comprehensive list of worker nodes currently running outdated versions. This framework operates on the scheduler, periodically polls relevant metrics, aggregates data, and determines which nodes have drifted.

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Python for Data Engineering

Ascend.io

Use Case: Transforming monthly sales data to weekly averages import dask.dataframe as dd data = dd.read_csv('large_dataset.csv') mean_values = data.groupby('category').mean().compute() compute() Data Storage Python extends its mastery to data storage, boasting smooth integrations with both SQL and NoSQL databases.

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Five Ways to Run Analytics on MongoDB – Their Pros and Cons

Rockset

The benefit of these tools is that they’re built specifically for data analytics. They support joins and their column orientation allows you to quickly and effectively carry out aggregations. Data warehouses scale well and are well-suited to BI and advanced analytics use cases.

MongoDB 52
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Top Big Data Hadoop Projects for Practice with Source Code

ProjectPro

There are various kinds of hadoop projects that professionals can choose to work on which can be around data collection and aggregation, data processing, data transformation or visualization. Followed by MySQL is the Microsoft SQL Server. Transferring the data from MySQL to HDFS.

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14 Best Database Certifications in 2023 to Boost Your Career

Knowledge Hut

Skills acquired : Relational database concepts Retrieving data using the SQL SELECT statement. Sorting and restricting data. Using Conditional Expressions and Conversion functions Reporting Aggregated Data Using Group Functions Displaying data taken from multiple tables. Oracle Certified Professional, MySQL 8.0